
RAD DATA COMMUNICATIONS

SRM-9 (TB)

Card Type              Short Range Modem
Chip Set               Unidentified
I/O Options            25-pin serial port (RS-232),

                       Terminal block
Wiring Type            Unshielded twisted pair
Maximum Data Rate      128Kbps (synchronous), 115.2Kbps (asynchronous)
Data Bus               External

[Image]

                                            CONNECTIONS

           Function                     Label                       Function                 Label

  DTE/DCE serial port (25-pin    CN1    Twisted pair connection                    CN2
  connector)                            terminal blocks

                        USER CONFIGURABLE SETTINGS

                     Setting                       Label      Position

  Pattern (BERT) test activated                    SW1/1         On

  Pattern (BERT) test not activated                SW1/1         Off

  Local digital loopback test activated            SW1/2         On

  Local digital loopback test not activated        SW1/2         Off

  Local analog loopback test activated             SW1/3         On

  Local analog loopback test not activated         SW1/3         Off

  Remote digital loopback test activated           SW1/4         On

  Remote digital loopback test not activated       SW1/4         Off

                              DIAGNOSTIC LEDS

   LED         Color         Status                 Condition

       TD  Unidentified        On          Device is transmitting data

    TD     Unidentified        Off       Device is not transmitting data

    RD     Unidentified        On         Device is receiving pulses from
                                                     network

    RD     Unidentified        Off        Device is not receiving pulses
                                                   from network

   RTS     Unidentified        On               RTS signal is high

   RTS     Unidentified        Off              RTS signal is low

   DCD     Unidentified        On               DCD signal is high

   DCD     Unidentified        Off              DCD signal is low

   ERR     Unidentified        On         Error detected on received data
                                                 during BERT test

   ERR     Unidentified        Off        Error not detected on received
                                            configuration information

   TST     Unidentified        On         Device is conducting a loopback
                                                       test

   TST     Unidentified        Off          Device is not conducting a
                                                  loopback test

